Nuclear Radiation - radioactive decay and ionising radiation Flashcards
1
Q
What does the ‘A’ stand for in the radiation equations?
A
Activity
2
Q
What does the ‘N’ stand for in the radiation equations?
A
Number of nuclei
3
Q
What does the ‘λ’ stand for in the radiation equations?
A
Decay constant
4
Q
What does the ‘t 1/2’ stand for in the radiation equations?
A
Half life
5
Q
What is activity?
A
Activity is the rate of decay of nuclei
6
Q
What does Alpha radiation consist of?
A
2 protons, 2 neutrons
7
Q
What is the charge of Alpha?
A
+2
8
Q
What is the mass of Alpha?
A
4
9
Q
What does Beta radiation consist of?
A
1 electron
10
Q
What is the charge of Beta?
A
-1
11
Q
What is the mass of Beta?
A
~ 0
12
Q
What does Gamma radiation consist of?
A
A gamma ray (wave)
13
Q
What is the charge of Gamma?
A
0
14
Q
What is the mass of Gamma?
A
0
15
Q
Most common source of radiation in our atmosphere?
A
Radon Gas
